Logic Masters Deutschland e.V.

I know I know, this puzzle is the third in a row using region sum lines, but it is quite different than the other two! I was a bit hessitant to publish this puzzle, since I made it for zetamath's coloring challenge, and when he solved it on stream there were some unantiticipated steps that turned out to be available without as many actual digits as I expected. You can find zetamath's solve here although the path may be different than your own.

Rules:

Normal sudoku rules apply.

Digits on a blue line have the same sum in each region they pass through.

Additionally, there are eight pentominoes, each containing exactly two distinct digits, to be found within the grid. These pentominoes may overlap, but not entirely. Similar pentomino shapes may be used more than once.

Links:

CtC SudokuPad Webapp

f-puzzles